Question 11 Previous The average price of a college math textbook is $154 and the standard deviation is $27. Suppose that 47 textbooks are randomly chosen. Round all answers to 4 decimal places where possible. a. What is the distribution of C? I ~ N( b. For the group of 47, find the probability that the average price is between $148 and $150. c. Find the third quartile for the average textbook price for this sample size. S round to the nearest cent) d. For part b), is the assumption that the distribution is normal necessary? Yes No Question Help: ) Written Example () Message instructor Submit Question Jump to